What can increase the variation of genetic traits in a population?

A) Mutations
B) Adaptations
C) Natural selection
D) All of these choices


A

Environmental & Atmospheric Sciences

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A collection of rural households linked by custom, culture, or family is known as a(n)

A. Urban area B. Megacity C. Rural village D. Urban farm E. City

Environmental & Atmospheric Sciences

The total number of living species is probably

A. Between 500,000 and 1 million B. About 450,000 C. At least 300 million D. Between 3 million and 50 million E. Between 75 and 95 million

Environmental & Atmospheric Sciences

The United States recently restored diplomatic relations with

A) Jamaica B) Puerto Rico C) Haiti D) Virgin Islands E) Cuba

Environmental & Atmospheric Sciences

The wavelength of incoming radiation compared to outgoing radiation is:

A) incoming has a longer wavelength than outgoing. B) incoming has a shorter wavelength than outgoing. C) the wavelength is equal between the two. D) outgoing has shorter wavelength than incoming.

Environmental & Atmospheric Sciences